package com.xexun.gpstracker.qrcode;

import java.io.IOException;
import java.util.Vector;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Vibrator;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.widget.Toast;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.xexun.gpstracker.channel.R;
import com.xexun.gpstracker.base.BaseActivity;
import com.xexun.gpstracker.qrcode.camera.CameraManager;
import com.xexun.gpstracker.qrcode.decoding.CaptureActivityHandler;
import com.xexun.gpstracker.qrcode.decoding.InactivityTimer;
import com.xexun.gpstracker.qrcode.view.ViewfinderView;

public class CaptureActivity extends BaseActivity implements Callback {
    private CaptureActivityHandler handler;
    private ViewfinderView viewfinderView;
    private boolean hasSurface;
    private Vector<BarcodeFormat> decodeFormats;
    private String characterSet;
    private InactivityTimer inactivityTimer;
    private MediaPlayer mediaPlayer;
    private boolean playBeep;
    private static final float BEEP_VOLUME = 0.10f;
    private boolean vibrate;

    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //getActionBar().hide();
        setContentView(R.layout.activity_capture);
        CameraManager.init(getApplication());
        viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
        hasSurface = false;
        inactivityTimer = new InactivityTimer(this);
    }

    @Override
    protected void onResume() {
        super.onResume();
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        if (hasSurface) {
            initCamera(surfaceHolder);
        } else {
            surfaceHolder.addCallback(this);
            surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }
        decodeFormats = null;
        characterSet = null;

        playBeep = true;
        AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
        if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
            playBeep = false;
        }
        initBeepSound();
        vibrate = true;
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (handler != null) {
            handler.quitSynchronously();
            handler = null;
        }
        CameraManager.get().closeDriver();
    }

    @Override
    protected void onDestroy() {
        inactivityTimer.shutdown();
        super.onDestroy();
    }

    private void initCamera(SurfaceHolder surfaceHolder) {
        try {
            CameraManager.get().openDriver(surfaceHolder);
        } catch (IOException ioe) {
            return;
        } catch (RuntimeException e) {
            return;
        }
        if (handler == null) {
            handler = new CaptureActivityHandler(this, decodeFormats, characterSet);
        }
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {

    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        if (!hasSurface) {
            hasSurface = true;
            initCamera(holder);
        }

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        hasSurface = false;

    }

    public ViewfinderView getViewfinderView() {
        return viewfinderView;
    }

    public Handler getHandler() {
        return handler;
    }

    public void drawViewfinder() {
        viewfinderView.drawViewfinder();

    }

    @SuppressLint("HandlerLeak")
    Handler handler3 = new Handler() {
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case 1:
                    CaptureActivity.this.finish();
                    Toast.makeText(CaptureActivity.this, "完成", Toast.LENGTH_SHORT).show();
                    break;
            }
        }
    };

    public void handleDecode(final Result obj, Bitmap barcode) {
        inactivityTimer.onActivity();    //此处的代码是扫描成功直接进行返回上一个页面
        playBeepSoundAndVibrate();
        String resultString = obj.getText();
        //FIXME
        if (resultString.equals("")) {
            Toast.makeText(CaptureActivity.this, "Scan failed!", Toast.LENGTH_SHORT).show();
        } else {
//	            System.out.println("Result:"+resultString);
            Intent resultIntent = new Intent();
            Bundle bundle = new Bundle();
            bundle.putString("result", resultString);
            resultIntent.putExtras(bundle);
            this.setResult(RESULT_OK, resultIntent);
        }
        CaptureActivity.this.finish();
        //inactivityTimer.onActivity();
        //playBeepSoundAndVibrate();
        //AlertDialog.Builder dialog = new AlertDialog.Builder(this);
//		if (barcode == null)
//		{
//			dialog.setIcon(null);
//		}
//		else
//		{
//
//			//Drawable drawable = new BitmapDrawable(barcode);
//			//dialog.setIcon(drawable);
//		}
        //dialog.setTitle("扫描到了设备");
        //dialog.setMessage(obj.getText());
        //dialog.setNegativeButton("保存", new DialogInterface.OnClickListener()
        //{
        //@Override
        //public void onClick(DialogInterface dialog, int which)
        //{
//				Device.bindDevice(obj.getText(),new BctClientCallback(){
//					@Override
//					public void onStart() {
//						WizardAlertDialog.getInstance().showProgressDialog(R.string.adddevise,CaptureActivity.this);
//					}
//
//					@Override
//					public void onFinish() {
//
//					}
//
//					@Override
//					public void onSuccess(Object obj) {
//						WizardAlertDialog.getInstance().closeProgressDialog();
//						Toast.makeText(CaptureActivity.this, "添加成功", Toast.LENGTH_LONG).show();
//						finish();
//					}
//
//					@Override
//					public void onFailure(String message) {
//						WizardAlertDialog.getInstance().closeProgressDialog();
//						Toast.makeText(CaptureActivity.this,message,Toast.LENGTH_LONG).show();
//						finish();
//					}
//				});

        //}
//		});
//		dialog.setPositiveButton("取消", new DialogInterface.OnClickListener()
//		{
//			@Override
//			public void onClick(DialogInterface dialog, int which)
//			{
//				finish();
//			}
//		});
//		dialog.create().show();
    }

    private void initBeepSound() {
        if (playBeep && mediaPlayer == null) {
            // The volume on STREAM_SYSTEM is not adjustable, and users found it
            // too loud,
            // so we now play on the music stream.
            setVolumeControlStream(AudioManager.STREAM_MUSIC);
            mediaPlayer = new MediaPlayer();
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mediaPlayer.setOnCompletionListener(beepListener);

            AssetFileDescriptor file = getResources().openRawResourceFd(R.raw.beep);
            try {
                mediaPlayer.setDataSource(file.getFileDescriptor(), file.getStartOffset(), file.getLength());
                file.close();
                mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
                mediaPlayer.prepare();
            } catch (IOException e) {
                mediaPlayer = null;
            }
        }
    }

    private static final long VIBRATE_DURATION = 200L;

    private void playBeepSoundAndVibrate() {
        if (playBeep && mediaPlayer != null) {
            mediaPlayer.start();
        }
        if (vibrate) {
            Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
            vibrator.vibrate(VIBRATE_DURATION);
        }
    }

    /**
     * When the beep has finished playing, rewind to queue up another one.
     */
    private final OnCompletionListener beepListener = new OnCompletionListener() {
        public void onCompletion(MediaPlayer mediaPlayer) {
            mediaPlayer.seekTo(0);
        }
    };

}